The utility model content
The purpose of this utility model is just in order to overcome above-mentioned deficiency of the prior art, and a kind of simple in structure, the vehicle four-wheel driven hybrid power system that cost is low that can realize multi axle drive is provided.
For solving the problems of the technologies described above, basic design of the present utility model is: adopt sun and planet gear is placed between driving engine and the electrical generator, a power output interface that is used for vehicle is set on gear ring in the sun and planet gear or the pinion carrier, the other power output interface that is used for vehicle is set on the electrical motor.
As the first kind of technical scheme that realizes that the utility model is conceived substantially, a kind of vehicle four-wheel driven hybrid power system, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described sun and planet gear is arranged between driving engine and the electrical generator, the mouth of described driving engine connects the pinion carrier of described sun and planet gear, and the gear ring of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle.
Described electrical motor is one or two.
As the second kind of technical scheme that realizes that the utility model is conceived substantially, a kind of vehicle four-wheel driven hybrid power system, comprise driving engine, sun and planet gear, electrical generator, inversion system, battery, electrical motor, described sun and planet gear is arranged between driving engine and the electrical generator, the mouth of described driving engine connects the gear ring of described sun and planet gear, and the pinion carrier of described sun and planet gear is provided with the power output interface that is used for vehicle; The sun wheel of described sun and planet gear connects described electrical generator, and described electrical generator connects described battery through inversion system, and described battery connects described electrical motor through inversion system, and described electrical motor is provided with the other power output interface that is used for vehicle.
Described electrical motor is one or two.
The beneficial effects of the utility model are: because sun and planet gear is respectively arranged with different power output interfaces with electrical motor, so do not need to add in addition part-time case, can realize the multi axle drive of vehicle 1.; 2. sun and planet gear places between driving engine and the electrical generator, no longer allow the input shaft of planet gear mechanism pass electrical generator, sun and planet gear and generator Structure are simplified, especially electrical generator need not made special-shape motor, adopt the common electric machine structure to get final product, can reduce the manufacturing cost and the assembling of motor and adjust difficulty, thereby reduce the productive costs of this power system effectively; 3. because electrical generator places after driving engine and the sun and planet gear, be in end,, thereby make the installation of this power system easier so it is very convenient that electromechanical transducer is installed.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
First kind of technical scheme as shown in Figure 1 and Figure 2,
The expression output interface, a kind of vehicle four-wheel driven hybrid power system of the utility model, comprise
driving engine 1, sun and planet gear, electrical generator 5,
inversion system 6,
battery 7,
electrical motor 8, described sun and planet gear places between
driving engine 1 and the electrical generator 5, and sun and planet gear is formed by
planetary pinion carrier 2,
sun wheel 3,
gear ring 4 are housed.Wherein,
pinion carrier 2 connects the bent axle of
driving engine 1 and rotation therewith;
Gear ring 4 links to each other with certain axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; Sun
wheel 3 links to each other with the rotor of electrical generator 5 and rotation therewith; The electric energy that electrical generator 5 produces according to circumstances becomes DC storage in
battery 7 through
inversion system 6, or
electrical motor 8 is exported in the change interchange again, when
electrical motor 8 is one (as Fig. 2), this electrical motor links to each other with other axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; When
electrical motor 8 is two (as Fig. 1), these two electrical motors link to each other by the left and right wheel on other axletree of physical construction and vehicle respectively, and drive its rotation by certain speed ratio.
Second kind of technical scheme as shown in Figure 3, Figure 4,
The expression output interface, a kind of vehicle four-wheel driven hybrid power system of the utility model, comprise
driving engine 1, sun and planet gear, electrical generator 5,
inversion system 6,
battery 7,
electrical motor 8, described sun and planet gear places between
driving engine 1 and the electrical generator 5, and sun and planet gear is formed by
planetary pinion carrier 2,
sun wheel 3,
gear ring 4 are housed.Wherein,
gear ring 4 connects the bent axle of
driving engine 1 and rotation therewith;
Pinion carrier 2 links to each other with certain axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; Sun
wheel 3 links to each other with the rotor of electrical generator 5 and rotation therewith; The electric energy that electrical generator 5 produces according to circumstances becomes DC storage in
battery 7 through
inversion system 6, or
electrical motor 8 is exported in the change interchange again, when
electrical motor 8 is one (as Fig. 4), this electrical motor links to each other with other axletree of vehicle by physical construction, and drives its rotation by certain speed ratio; When
electrical motor 8 is two (as Fig. 3), these two electrical motors link to each other by the left and right wheel on other axletree of physical construction and vehicle respectively, and drive its rotation by certain speed ratio.
In above-mentioned two kinds of technical schemes, sun and planet gear is provided with power output interface to certain axletree transferring power, sun wheel is rotated with the rotor of electrical generator, the excess power of driving engine is changed into electric energy, this part electric energy converts mechanical energy to by electrical motor and acts on the left and right wheels on other axletree or other axletree, according to the operating condition of automobile, energy can take place between electrical generator, electrical motor and the battery shift.Be characterized in that electrical generator places after driving engine and the sun and planet gear, be in end, thereby can adopt the motor of ordinary construction, reduce the productive costs of this power system; Sun and planet gear forms different power output interfaces with electrical motor, is convenient to realize multi axle drive.
Power is divided into two roads through transmitting in the total system: a part of engine power is mechanically exported to certain axle drive shaft, can adopt dual mode, first kind of mode is: by the pinion carrier of engine drive sun and planet gear, the gear ring outputting power of sun and planet gear is given certain axle drive shaft; The second way is: the gear ring of engine drive sun and planet gear, and the pinion carrier outputting power of sun and planet gear is given certain axle drive shaft; Another part engine power changes into electric energy with mechanical energy and exports to electrical motor by electrical generator, by the left and right wheel on other axletree of direct motor drive or other axletree, thereby realizes multi axle drive.
According to the needs of vehicle, described electrical generator can also can be worked in electronic mode with generation mode work; In like manner, described electrical motor can be worked in electronic mode, also can be with generation mode work.
When automobile low speed or little load travel, kill engine, provide power by battery to electrical motor, by the wheel driving motor running, realize that the automobile zero-emission travels.
When automobile normal running, provide power by driving engine, the regional work that driving engine is low in oil consumption, discharging is few, the power that driving engine provides passes to forward and backward wheel respectively by two passages, the main channel is the pinion carrier of engine drive sun and planet gear, the gear ring outputting power of sun and planet gear is given the mechanical passage of certain axle drive shaft, and subaisle is the power channel that electrical generator passes to electrical motor; Or the main channel is the gear ring of engine drive sun and planet gear, and the pinion carrier outputting power of sun and planet gear is given the mechanical passage of certain axle drive shaft, and subaisle is the power channel that electrical generator passes to electrical motor.The dynamic action of major and minor passage obtains high efficiency by the ratio of controlling two channel energies stream on different axletrees.
When car acceleration or climbing are travelled, except that driving engine by two passages respectively forward, rear wheel provides the power, battery also provides power to electrical motor.
When car deceleration or lower long slope, electrical motor is with generating state work, by wheel drive, the kinetic energy of automobile is converted into electric energy, is stored in the battery.
Embodiment can adopt driving engine to connect the pinion carrier of sun and planet gear, and the gear ring of sun and planet gear drives propons, adopts a direct motor drive back axle; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring of sun and planet gear drives propons, adopts two electrical motors to drive left and right rear wheel respectively; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring driving rear axle of sun and planet gear adopts a direct motor drive propons; Or the pinion carrier of driving engine connection sun and planet gear, the gear ring driving rear axle of sun and planet gear adopts two electrical motors to drive left and right front vehicle wheel respectively; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier of sun and planet gear drives propons, adopts a direct motor drive back axle; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier of sun and planet gear drives propons, adopts two electrical motors to drive left and right rear wheel respectively; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier driving rear axle of sun and planet gear adopts a direct motor drive propons; Or the gear ring of driving engine connection sun and planet gear, the pinion carrier driving rear axle of sun and planet gear adopts two electrical motors to drive left and right front vehicle wheel respectively.
Sun and planet gear places between driving engine and the electrical generator, the disadvantage of having avoided the input shaft of sun and planet gear in the prior art to pass in the electrical generator, electrical generator only need adopt common electric machine, employing is provided with power output interface and drives certain axletree on sun and planet gear, use the left and right wheels on other axletree of direct motor drive or other axletree simultaneously, can make driving engine run on the high efficiency point by the control electrical generator, do not add part-time case and can realize multi axle drive, simple in structure, productive costs is low.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is the example of embodiment of the present utility model, and practical structure is not limited thereto.So; if those of ordinary skill in the art is enlightened by it, under the situation that does not break away from the utility model creation aim, adopt other form; without creationary frame mode similar and the embodiment of designing, all should belong to protection domain of the present utility model to this technical scheme.